X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=include%2Flinux%2Fsmp.h;h=eac3e062250f7e24e98ac6355daa5ef280b98dda;hb=3d4422332711ef48ef0f132f1fcbfcbd56c7f3d1;hp=3f70149eabbb2e7d40c91ce069cce466c3162615;hpb=9b6a51746ffe8d619f1097675d2dc5e303470024;p=linux-2.6-omap-h63xx.git

diff --git a/include/linux/smp.h b/include/linux/smp.h
index 3f70149eabb..eac3e062250 100644
--- a/include/linux/smp.h
+++ b/include/linux/smp.h
@@ -6,9 +6,20 @@
  *		Alan Cox. <alan@redhat.com>
  */
 
+#include <linux/errno.h>
+#include <linux/list.h>
+#include <linux/spinlock.h>
+#include <linux/cpumask.h>
 
 extern void cpu_idle(void);
 
+struct call_single_data {
+	struct list_head list;
+	void (*func) (void *info);
+	void *info;
+	unsigned int flags;
+};
+
 #ifdef CONFIG_SMP
 
 #include <linux/preempt.h>
@@ -52,9 +63,28 @@ extern void smp_cpus_done(unsigned int max_cpus);
  * Call a function on all other processors
  */
 int smp_call_function(void(*func)(void *info), void *info, int retry, int wait);
-
+int smp_call_function_mask(cpumask_t mask, void(*func)(void *info), void *info,
+				int wait);
 int smp_call_function_single(int cpuid, void (*func) (void *info), void *info,
 				int retry, int wait);
+void __smp_call_function_single(int cpuid, struct call_single_data *data);
+
+/*
+ * Generic and arch helpers
+ */
+#ifdef CONFIG_USE_GENERIC_SMP_HELPERS
+void generic_smp_call_function_single_interrupt(void);
+void generic_smp_call_function_interrupt(void);
+void init_call_single_data(void);
+void ipi_call_lock(void);
+void ipi_call_unlock(void);
+void ipi_call_lock_irq(void);
+void ipi_call_unlock_irq(void);
+#else
+static inline void init_call_single_data(void)
+{
+}
+#endif
 
 /*
  * Call a function on all processors
@@ -77,17 +107,20 @@ int on_each_cpu(void (*func) (void *info), void *info, int retry, int wait);
  */
 void smp_prepare_boot_cpu(void);
 
+extern unsigned int setup_max_cpus;
+
 #else /* !SMP */
 
 /*
  *	These macros fold the SMP functionality into a single CPU system
  */
 #define raw_smp_processor_id()			0
-static inline int up_smp_call_function(void)
+static inline int up_smp_call_function(void (*func)(void *), void *info)
 {
 	return 0;
 }
-#define smp_call_function(func,info,retry,wait)	(up_smp_call_function())
+#define smp_call_function(func, info, retry, wait) \
+			(up_smp_call_function(func, info))
 #define on_each_cpu(func,info,retry,wait)	\
 	({					\
 		local_irq_disable();		\
@@ -98,14 +131,19 @@ static inline int up_smp_call_function(void)
 static inline void smp_send_reschedule(int cpu) { }
 #define num_booting_cpus()			1
 #define smp_prepare_boot_cpu()			do {} while (0)
-static inline int smp_call_function_single(int cpuid, void (*func) (void *info),
-				void *info, int retry, int wait)
+#define smp_call_function_single(cpuid, func, info, retry, wait) \
+({ \
+	WARN_ON(cpuid != 0);	\
+	local_irq_disable();	\
+	(func)(info);		\
+	local_irq_enable();	\
+	0;			\
+})
+#define smp_call_function_mask(mask, func, info, wait) \
+			(up_smp_call_function(func, info))
+static inline void init_call_single_data(void)
 {
-	/* Disable interrupts here? */
-	func(info);
-	return 0;
 }
-
 #endif /* !SMP */
 
 /*